<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item to="/home">首页</el-breadcrumb-item>
      <el-breadcrumb-item >商品管理</el-breadcrumb-item>
      <el-breadcrumb-item >商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button icon="el-icon-search" slot="append" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
<!--      表格区域-->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name" ></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="75px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">{{scope.row.add_time | dateFormat}}</template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
<!--      分页器-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total" background>
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: 'List',
  created () {
    this.getGoodsList()
  },
  data () {
    return {
      queryInfo: {
        query: '',
        pagesize: 10,
        pagenum: 1
      },
      total: 0,
      goodslist: []
    }
  },
  methods: {
    async getGoodsList () {
      const { data: result } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (result.meta.status !== 200) return this.$message.error('获取商品列表失败')
      this.goodslist = result.data.goods
      this.total = result.data.total
      this.$message.success('获取商品列表成功')
    },
    handleSizeChange (newsize) {
      this.queryInfo.pagesize = newsize
      this.getGoodsList()
    },
    handleCurrentChange (newnum) {
      this.queryInfo.pagenum = newnum
      this.getGoodsList()
    },
    async removeById (id) {
      const result = await this.$confirm('此操作将永久删除该商品', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (result !== 'confirm') return this.$message.info('已取消删除')
      const { data: res } = await this.$http.delete('goods/' + id)
      if (res.meta.status !== 200) return this.$message.error('删除失败')
      this.$message.success('删除成功')
      this.getGoodsList()
    },
    goAddpage () {
      this.$router.push({ path: '/goods/add' })
    }
  }
}
</script>

<style lang="less" scoped>

</style>
